By what principles are the countries of the world classified?

Countries are classified according to many criteria. Firstly, it is a socio-economic factor or a factor of the level of economic development. Countries on this basis are divided into: 1. Developed. 2. Developing. 3. Countries with economies in transition. Also, countries should be classified according to population size, territoriality, geographic location, level of education and culture, crime rate and also the level of security. Also in terms of the amount of natural resources.

One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.